CN212045782U - Built-in inclined top linkage sliding block core pulling mechanism of injection mold - Google Patents

Abstract

An inclined top linkage sliding block core pulling mechanism is arranged in an injection mold and comprises a mold rear insert, an injection molding glove box is arranged on the rear insert, a clamping jaw is arranged on the rear side of the glove box, a clamping groove is formed in the clamping jaw, a transverse inclined top linkage sliding block assembly is arranged in the rear insert, the transverse inclined top linkage sliding block assembly comprises an inclined ejector rod transversely and obliquely inserted into the rear insert and a transverse sliding seat arranged in the rear wall of the rear insert, the head end of the inclined ejector rod extends out of the rear insert and is provided with the clamping jaw insert, a clamping groove core is arranged on the clamping jaw insert and is matched with the clamping jaw, the clamping groove core is matched with the clamping groove, two sides of the transverse sliding seat are transversely positioned by two positioning blocks, a transverse sliding groove is arranged in the transverse sliding seat, an I-shaped block is arranged at the tail end of the inclined ejector rod and is matched with the transverse sliding groove, a limiting block and an inclined guide pillar are connected under a fixed, the oblique guide pillar extends into the oblique guide hole.

Description

Built-in inclined top linkage sliding block core pulling mechanism of injection mold

Technical Field

The utility model relates to an injection mold embeds mechanism of loosing core of linkage slider to one side belongs to the injection mold field.

Background

The injection mold is adopted to produce plastic products, particularly various automotive upholsteries and the like, such as automotive glove boxes, the assembly structure of a rotating shaft of the glove box is changed along with the change of various automobile types, besides rotating pins are arranged at two ends of the glove box, two groups of clamping jaws are arranged at the rear side of the glove box, a rotating shaft is assembled on each clamping jaw, and after the products are subjected to injection molding, the clamping grooves of the two groups of clamping jaws are not concentric and have oblique angles, and the clamping jaws close to the inner sides cannot be subjected to core pulling and demolding by adopting a traditional core pulling structure.

Disclosure of Invention

The utility model aims at overcoming prior art's shortcoming, providing one kind and adopting built-in horizontal oblique top structure to combine the slip linkage to slide to one side, make the injection mold who leans on inboard jack catch to loose core the drawing of patterns smoothly embeds oblique top linkage slider mechanism of loosing core.

The utility model discloses injection mold embeds oblique top linkage slider mechanism of loosing core's technical scheme is: the mold comprises a fixed mold compound plate and a movable mold compound plate, wherein a fixed mold plate is arranged below the fixed mold compound plate, a runner plate is arranged on the movable mold compound plate, a runner frame is arranged in the runner plate, a material nozzle is connected to the runner frame, a bottom plate is arranged on the runner plate, mold feet are arranged on the bottom plate, a lower top plate and an upper top plate are arranged between the mold feet, ejector pins are connected to the upper top plate, a movable mold plate is arranged on the mold feet, a right insert, a left insert and a rear insert are arranged on the movable mold plate, the right insert, the left insert, the rear insert and a gap between the movable mold plate and the fixed mold plate form a mold cavity, the material nozzle is communicated with the mold cavity, an injection molded glove box is arranged in the mold cavity, the ejector pins penetrate through the movable mold plate to be contacted with the glove box, clamping jaws are arranged on the rear side of the glove box, a transverse inclined ejection linkage slide block assembly is arranged in the rear insert, the transverse inclined ejection linkage slide block assembly comprises inclined ejector rods transversely inserted in the, the head end of the oblique ejector rod extends out of the rear insert and is provided with a jaw insert, the jaw insert is provided with a clamping groove core, the jaw insert is matched with the jaw, the clamping groove core is matched with the clamping groove, two sides of the transverse sliding seat are transversely positioned by two positioning blocks, a transverse sliding groove is formed in the transverse sliding seat, the tail end of the oblique ejector rod is provided with an I-shaped block, the I-shaped block is matched with the transverse sliding groove, the fixed die plate is connected with a limiting block and an oblique guide pillar, the rear insert is provided with an oblique guide hole, the limiting block is contacted with the outer end wall of the transverse sliding seat.

The utility model discloses a built-in oblique top linkage slider mechanism of loosing core of injection mold, when loosing core, at first drive movable mould board and fixed die plate die sinking separation by the injection molding machine power, in the die sinking in-process, the guide pillar inserts the sideslip through guide hole drive back to one side, but when just beginning the die sinking, because the stopper keeps off the outer end wall department at the sideslip seat, carry on spacingly to the sideslip seat, the back is inserted and can't take the sideslip seat to slide outward together, the sideslip seat is under the effect of receiving the spacing power, force the ejector pin sideslip in the horizontal spout, thereby make the jack catch of oblique ejector pin head end insert and transversely take out from jack catch and draw-in groove with the draw-in groove core, at this moment, the sideslip seat leaves the stopper, the back is inserted and is continued under the drive of guide pillar to one side, take the sideslip seat, the jack catch is inserted and the. This scheme adopts horizontal pitched roof linkage structure of loosing core, utilizes the mould power that opens and shuts, need not to put the power in addition, realizes smoothly that jack catch and draw-in groove are transversely loosed core, compact structure, and the action is reliable, and the cost is economized.

The utility model discloses a built-in mechanism of loosing core of linking slider to one side of injection mold, sideslip seat outer end wall upper portion system have the inclined plane, the system of inner wall lower part of stopper has the skew wall, when reseing, inclined plane and skew wall correspond, effectively avoid the bumping accident, do benefit to and reset. The lower part of the fixed die plate is connected with the locking module, and when the die is closed, the locking module penetrates through the rear insert and is inserted into the movable die plate, so that the die is reliably locked, and the die expansion is effectively prevented.

Drawings

FIG. 1 is a schematic structural view of an injection mold of the present invention;

FIG. 2 is a schematic view of the right insert, the left insert and the rear insert of the present invention on a movable platen;

FIG. 3 is a schematic view of the positional relationship between the rear insert and the glove box of the present invention;

FIG. 4 is a schematic view of the horizontal lifter linkage slider assembly and glove box jaw fit state of the present invention;

fig. 5 is a schematic drawing showing the state of the horizontal pitched roof linked sliding block component and the glove box jaw in the drawing out mode.

Detailed Description

The utility model relates to a built-in oblique top linkage slider core-pulling mechanism of an injection mold, as shown in figures 1-5, comprising a fixed mold compound plate 1 and a movable mold compound plate 2, a fixed mold plate 3 is arranged under the fixed mold compound plate, a runner plate 5 is arranged on the movable mold compound plate, a runner frame 6 is arranged in the runner plate, a material nozzle 7 is connected on the runner frame, a bottom plate 8 is arranged on the runner plate, mold feet 9 are arranged on the bottom plate, a lower top plate 10 and an upper top plate 11 are arranged between the mold feet, an ejector pin 14 is connected on the upper top plate 11, a movable mold plate 12 is arranged on the mold feet, a right insert 13, a left insert 15 and a rear insert 16 are arranged on the movable mold plate, the right insert 13, the left insert 15, the rear insert 16 and a gap between the movable mold plate 12 and the fixed mold plate 3 form a mold cavity, the material nozzle 7 is communicated with the mold cavity, a glove box 17 which is injection molded is arranged in the mold cavity, the ejector pin 14 passes through, clamping grooves 19 are arranged on the jaws, a transverse inclined top linkage sliding block component is arranged in the rear insert 16, the transverse inclined top linkage sliding block component comprises an inclined top rod 20 transversely and obliquely inserted in the rear insert 16 and a transverse sliding seat 25 arranged in the rear wall of the rear insert 16, the head end of the inclined top rod extends out of the rear insert 16 and is provided with a jaw insert 21, the jaw insert is provided with a clamping groove core 22, the jaw insert 21 is matched with a jaw 18, the clamping groove core 22 is matched with a clamping groove 19, two sides of the transverse sliding seat 25 are transversely positioned by two positioning blocks 26, a transverse sliding groove 27 is arranged in the transverse sliding seat 25, the tail end of the inclined top rod 20 is provided with an I-shaped block 28, the I-shaped block 28 is matched with the transverse sliding groove 27, the lower part of the fixed die plate 3 is connected with a limiting block 30 and an inclined guide post 31, an inclined guide hole 32 is formed in the rear insert 16, when the die is closed, the limiting block 30 is contacted with the outer end wall of the cross sliding seat 25, and the inclined guide post 31 extends into the inclined guide hole 32. When core pulling is carried out, firstly, the movable die plate 12 and the fixed die plate 3 are driven by the power of an injection molding machine to open the die and separate, in the die opening process, the inclined guide post 31 drives the rear insert 16 to slide outwards through the inclined guide hole 32, but when the die opening is just started, the limiting block 30 is blocked at the outer end wall of the transverse sliding seat 25 to limit the transverse sliding seat 25, the rear insert 16 cannot drive the transverse sliding seat 25 to slide outwards together, the transverse sliding seat 25 is forced by the limiting force to force the inclined ejector rod 20 to slide transversely in the transverse sliding groove 27, so that the jaw insert 21 and the clamping groove core 22 at the head end of the inclined ejector rod 20 are transversely pulled out from the jaw 18 and the clamping groove 19, at the moment, the transverse sliding seat 25 leaves the limiting block 30, and the rear insert 16 continues to drive the transverse sliding seat 25, the inclined ejector rod 20, the jaw insert 21 and the clamping groove core 22 to slide outwards. This scheme adopts horizontal pitched roof linkage structure of loosing core, utilizes the mould power that opens and shuts, need not to put the power in addition, realizes smoothly that jack catch and draw-in groove are transversely loosed core, compact structure, and the action is reliable, and the cost is economized. The upper portion of the outer end wall of the transverse sliding seat 25 is provided with an inclined surface 35, the lower portion of the inner end wall of the limiting block 30 is provided with an inclined wall 36, and when the transverse sliding seat is reset, the inclined surface 35 corresponds to the inclined wall 36, so that collision accidents are effectively avoided, and resetting is facilitated. The lower part of the fixed die plate 3 is connected with a locking module 37, and when the die is closed, the locking module 37 penetrates through the rear insert 16 and is inserted into the movable die plate 12, so that the die is reliably locked, and the die expansion is effectively prevented.

Claims (3)

1. An inclined top linkage sliding block core pulling mechanism is arranged in an injection mold and comprises a fixed mold compound plate (1) and a movable mold compound plate (2), a fixed mold plate (3) is arranged below the fixed mold compound plate, a runner plate (5) is arranged on the movable mold compound plate, a runner frame (6) is arranged in the runner plate, a material nozzle (7) is connected on the runner frame, a bottom plate (8) is arranged on the runner plate, mold feet (9) are arranged on the bottom plate, a lower top plate (10) and an upper top plate (11) are arranged between the mold feet, a movable mold plate (12) is arranged on the mold feet, a right insert (13), a left insert (15) and a rear insert (16) are arranged on the movable mold plate, the right insert (13), the left insert (15), the rear insert (16) and a gap between the movable mold plate (12) and the fixed mold plate (3) form a mold cavity, the material nozzle (7) is communicated with the mold cavity, an injection molded glove box (17, the clamping jaw is provided with a clamping groove (19) and is characterized in that a transverse inclined top linkage sliding block component is arranged in the rear insert (16), the transverse inclined top linkage sliding block component comprises an inclined mandril (20) transversely and obliquely inserted into the rear insert (16) and a cross slide seat (25) arranged in the rear wall of the rear insert (16), the head end of the inclined mandril extends out of the rear insert (16) and is provided with a clamping jaw insert (21), the clamping jaw insert is provided with a clamping groove core (22), the clamping jaw insert (21) is matched with a clamping jaw (18), the clamping groove core (22) is matched with the clamping groove (19), two sides of the cross slide seat (25) are transversely positioned by two positioning blocks (26), a transverse sliding groove (27) is arranged in the cross slide seat (25), the tail end of the inclined mandril (20) is provided with an I-shaped block (28), the I-shaped block (28) is matched with the transverse sliding groove (27), the fixed die plate (3) is connected with a, an inclined guide hole (32) is formed in the rear insert (16), when the die is closed, the limiting block (30) is contacted with the outer end wall of the transverse sliding seat (25), and the inclined guide post (31) extends into the inclined guide hole (32).

2. The injection mold built-in inclined top linkage sliding block core pulling mechanism as claimed in claim 1, characterized in that the upper part of the outer end wall of the transverse sliding seat (25) is provided with an inclined surface (35), and the lower part of the inner end wall of the limiting block (30) is provided with an inclined wall (36).

3. The injection mold built-in pitched roof linkage sliding block core pulling mechanism according to claim 1, characterized in that the lock module (37) is connected under the fixed mold plate (3), and when the mold is closed, the lock module (37) penetrates through the rear insert (16) and is inserted into the movable mold plate (12).

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